Panspermia is a theory that affirms that the essential elements for life or at a higher level life itself came aboard comets and asteroids, we know that comets and asteroids impact the Earth and if not, ask the dinosaurs if there are any left, chickens descend from dinosaurs, avian dinosaurs, but more interesting is that we have found rocky or metallic meteorites in blocks, that is, not all of them end up crumbled in an explosion in the atmosphere or melted by a colossal impact.
Some meteorites are compact blocks that in theory could contain within them those essential elements for life. We have not yet found life in any meteorite, but we have discovered in them complex organic molecules and many of the essential chemical precursors for life as we know it, for example, the Murchison meteorite, found in 1969 in Australia, in which more than 100 amino acids were found, sugars were found.
In an analysis carried out in 2016, ribose was detected, nitrogenous bases, purines, pyrimidines, as well as polycyclic hydrocarbons and alcohols were detected. This Australian meteorite is suspected to come from Eonomia, a giant asteroid 255 km in diameter located in the asteroid belt between Mars and Jupiter. Apparently, a few million years ago, this asteroid received a pretty big impact and lost, sorry, part of its mass that was transformed into other meteorites and some of them reached Earth like this one that was found in Australia.
But those essential elements have also arrived on Mars for life to form through meteorites or comets. Obviously there are many craters on the Martian surface, but if evidence was missing, we are finding it because several meteorites are already being found on Mars and this one, the one in the image, is one of the last that NASA has found on Mars.
It is quite large and what we are seeing is a section, it is a photo that Robert Perseverance took on September 19, 2025, although the finding is published now due to NASA's opening, in reality the photo would have already been published that same day, September 19 or the 20th because Perseverance sends the photos directly and they are published automatically, what happens is that it needs someone to analyze what this is that we are seeing.
And according to NASA geologists, this is not a rock from Mars, this is a rock that has come from space with a high content of iron and nickel, which suggests that it could be a metallic meteorite in this case and they are right now analyzing what else it may have, it is not the only one they have found on Mars.
In 2014 the 1 meter wide Lebanon meteorite was found and in 2023 the Cacao meteorite, I don't know why they give these names, because they have called this one "Phippsaksla", at this moment they are analyzing what this meteorite is made of and what elements it may have, in any case, the rovers that have been sent are laboratories with wheels, but they are not super laboratories, they have their limitations, that is why it is so
It is important to bring samples from Mars to Earth to be able to analyze them in much more detail.
We hope that with the research work that NASA experts and scientists are going to do from now on, I am sure that they will do a great job and within a few weeks or months we will have amazing results on the analyzes of everything that is being collected.
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